Download Bryant 140 Operating instructions

TABLE OF CONTENTS
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A93041
Fig. 1 -- Multipoise Orientations
SAFETY CONSIDERATIONS
Improper
installation,
adjustment,
alteration,
service,
maintenance, or use can cause explosion, fire, electrical shock, or
other conditions which may cause death, personal injury, or
property damage. Consult a qualified installer, service agency, or
your distributor or branch for information or assistance. The
qualified installer or agency must use factory--authorized kits or
accessories when modifying this product. Refer to the individual
instructions packaged with the kits or accessories when installing.
Follow all safety codes. Wear safety glasses, protective clothing,
and work gloves. Have a fire extinguisher available. Read these
instructions thoroughly and follow all warnings or cautions
include in literature and attached to the unit. Consult local
building codes, the current editions of the National Fuel Gas
Code (NFGC) NFPA 54/ANSI Z223.1 and the National Electrical
Code (NEC) NFPA 70.
In Canada, refer to the current editions of the National Standards
of Canada CAN/CSA--B149.1 and .2 Natural Gas and Propane
Installation Codes, and Canadian Electrical Code CSA C22.1
Recognize safety information. This is the safety--alert symbol .
When you see this symbol on the unit and in instructions or
manuals, be alert to the potential for personal injury.
Understand the signal words DANGER, WARNING, and
CAUTION. These words are used with the safety--alert symbol.
DANGER identifies the most serious hazards which will result in
severe personal injury or death. WARNING signifies hazards
which could result in personal injury or death. CAUTION is
used to identify unsafe practices which may result in minor
personal injury or product and property damage. NOTE is used
to highlight suggestions which will result in enhanced
installation, reliability, or operation.
!
CAUTION
UNIT RELIABILITY HAZARD
Improper installation or misapplication of furnace may
require excessive servicing or cause premature component
failure.
Application of this furnace should be indoors with special
attention given to vent sizing and material, gas input rate, air
temperature rise, unit leveling, and unit sizing.
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340AAV
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 3
DIMENSIONAL DRAWING . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Clearances to Combustibles . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
CODES AND STANDARDS . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS . . . 8
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
APPLICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Upflow Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Downflow Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Horizontal Left (Supply--Air Discharge) Applications . . . . . 12
Horizontal Right (Supply--Air Discharge) Applications . . . . 13
LOCATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Furnace Location Relative to Cooling Equipment . . . . . . . . . 17
Hazardous Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Furnace Location and Application . . . . . . . . . . . . . . . . . . . . . 17
AIR FOR COMBUSTION AND VENTILATION . . . . . . . . . . 18
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Leveling Legs (If Desired) . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Installation in Upflow or Downflow Applications . . . . . . . . . 21
Installation in Horizontal Applications . . . . . . . . . . . . . . . . . 21
Air Ducts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Ductwork Acoustical Treatment . . . . . . . . . . . . . . . . . . . . . 24
Supply Air Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Return Air Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Filter Arrangement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Bottom Closure Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
115--v Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
24--v Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Removal of Existing Furnaces from
Common Vent Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Combustion Air and Vent Pipe Systems . . . . . . . . . . . . . . . . . 29
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Condensate Drain Protection . . . . . . . . . . . . . . . . . . . . . . . . 46
START-UP, ADJUSTMENT AND SAFETY CHECK . . . . . . . 47
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Prime Condensate Trap with Water . . . . . . . . . . . . . . . . . . . . 47
Purge Gas Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Heating Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Cooling Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Continuous Blower Mode . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Heat Pump Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Component Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Set Gas Input Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Set Temperature Rise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Adjust Blower Off Delay (Heat Mode) . . . . . . . . . . . . . . . . 56
Set Thermostat Heat Anticipator . . . . . . . . . . . . . . . . . . . . . 56
Check Safety Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Check Primary Limit Control . . . . . . . . . . . . . . . . . . . . . . . 56
Check Pressure Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
CHECKLIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
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